body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, form, fieldset, legend, button, input, textarea, th, td { 
	margin:0; padding:0; 
} 
body, button, input, select, textarea { 
	font:12px/1.5tahoma, arial, 5b8b4f53; 
} 
h1, h2, h3, h4, h5, h6{ 
	font-size:100%; 
	margin: 0;
} 
address, cite, dfn, em, var { 
	font-style:normal; 
} 
code, kbd, pre, samp { 
	font-family:couriernew, courier, monospace; 
} 

ul, ol, li { 
	list-style:none; 
} 
a { 
	text-decoration:none; 
} 
a:hover { 
	text-decoration:underline; 
} 
sup {
	vertical-align:text-top; 
} 
sub{ 
	vertical-align:text-bottom; 
} 
legend { 
	color:#000; 
} 
fieldset, img { 
	border:0; 
} 
button, input, select, textarea { 
	font-size:100%; 
} 
table { 
	border-collapse:collapse; 
	border-spacing:0; 
}
// 改变滚动条样式
::-webkit-scrollbar {
	width: 6px;
	background-color: #ebeef5;
}
::-webkit-scrollbar-button {
	display: none;
}
::-webkit-scrollbar-thumb {
	border-radius: 3px;
	background-color: #ccc;
}
::-webkit-scrollbar-track {
	box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
	border-radius: 3px;
	background-color: rgba(255, 255, 255, 1);
}